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US2796641A Expired / Lapsed US ⏱️ 0.0 years remaining

Wallboard trim

Assignee: ELIZABETH WOLLAEGER
•
Filing: 1955-01-03
•
Granted: 1957-06-25
•
Expires: 1975-01-03
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Abstract

No abstract record available.

Inventors

  • 👤 Clarence G Wollaeger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 02:02
CPC Classifications
E; E04; E04F; E04F13/00; E04F13/02; E04F13/04; E04F13/06; E04F2013/063

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US560605A Cited
US595298A Cited
US741288A Cited
US923430A Cited
US1035278A Cited
US1145198A Cited
US1804564A Cited
US2041799A Cited
US2114044A Cited
US2643423A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-06-24 1960-12-24 1961-06-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-06-24 1964-12-24 1965-06-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-06-24 1968-12-24 1969-06-25 $7700.00 Window Closed / Lapsed

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